Can some one message me pl i need help in vectors

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

Wich statement could be used to explain why the function h(x)= x^3 has an inverse relation that is also a function